Fountain back brush



FIG. 1 is a perspective view of a fountain back brush embodying thedesign of the present invention;

FIG. 2 is a end front elevational view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a side elevational view thereof, the side opposite being amirror image of the side shown in FIG. 4;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The ornamental design for a fountain back brush, as shown and described.